Home / 14,120.60-21,196.22-10,620.59

Finding the Fourth Proportional to 14,120.60, 21,196.22 and 10,620.59

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Solution

The fourth proportional to 14,120.60, 21,196.22 and 10,620.59 is: 15,942.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,120.60 : 21,196.22 = 10,620.59 : x
  2. Step 2: Convert to fraction form
    14,120.60/21,196.22 = 10,620.59/x
  3. Step 3: Cross multiply
    14,120.60x = 21,196.22 × 10,620.59
  4. Step 4: Simplify right side
    14,120.60x = 225,116,203.09
  5. Step 5: Solve for x
    x = 225,116,203.09/14,120.60
  6. Step 6: Final answer
    x = 15,942.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.